/**
* 左边菜单
*/
<template>
  <el-menu default-active="2" :collapse="collapsed" collapse-transition router :default-active="$route.path"
           unique-opened class="el-menu-vertical-demo" background-color="#334157" text-color="#fff"
           active-text-color="#ffd04b">
    <div class="logobox">
      <img class="logoimg" src="../assets/img/logo.png" alt="">
    </div>
    <el-submenu v-for="menu in permissions" :key="permissions.id" :index="menu.name">
      <template slot="title">
        <i class="iconfont" :class="menu.icon"></i>
        <span>{{ menu.name }}</span>
      </template>
      <el-menu-item-group>
        <el-menu-item v-for="chmenu in menu.children" :key="chmenu.id" :index="'/'+chmenu.component">
          <i class="iconfont" :class="chmenu.icon"></i>
          <span>{{ chmenu.name }}</span>
        </el-menu-item>
      </el-menu-item-group>
    </el-submenu>
  </el-menu>


</template>
<script>

import {current} from "../api/userMG";

export default {
  name: 'leftnav',
  data() {
    return {
      collapsed: false,
      permissions: Object
    };
  },


  // 创建完毕状态(里面是操作)
  created() {
    current().then(res => {
      if (res.success) {
        this.permissions = res.result.permissions;

        localStorage.setItem('nickname', res.result.nickname)

      } else {
        this.$$message.error("页面加载错误")
      }
    })

  },
  // 监听
  //TODO(打开关闭报错，暂时未解决)
  //
  // this.$root.Bus.$on('toggle', value => {
  //   this.collapsed = !value
  // }),
  // 缓存用户个人信息
  // localStorage.setItem('nickname',)

}
</script>
<style>
.el-menu-vertical-demo:not(.el-menu--collapse) {
  width: 240px;
  min-height: 400px;
}

.el-menu-vertical-demo:not(.el-menu--collapse) {
  border: none;
  text-align: left;
}

.el-menu-item-group__title {
  padding: 0px;
}

.el-menu-bg {
  background-color: #1f2d3d !important;
}

.el-menu {
  border: none;
}

.logobox {
  height: 40px;
  line-height: 40px;
  color: #9d9d9d;
  font-size: 20px;
  text-align: center;
  padding: 20px 0px;
}

.logoimg {
  height: 40px;
}
</style>
